97 lines
5.0 KiB
C
97 lines
5.0 KiB
C
/****************************************************************************
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* NCSA Mosaic for the X Window System *
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* Software Development Group *
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* National Center for Supercomputing Applications *
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* University of Illinois at Urbana-Champaign *
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* 605 E. Springfield, Champaign IL 61820 *
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* mosaic@ncsa.uiuc.edu *
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* *
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* Copyright (C) 1993, Board of Trustees of the University of Illinois *
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* *
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* NCSA Mosaic software, both binary and source (hereafter, Software) is *
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* copyrighted by The Board of Trustees of the University of Illinois *
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* (UI), and ownership remains with the UI. *
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* *
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* The UI grants you (hereafter, Licensee) a license to use the Software *
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* for academic, research and internal business purposes only, without a *
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* fee. Licensee may distribute the binary and source code (if released) *
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* to third parties provided that the copyright notice and this statement *
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* appears on all copies and that no charge is associated with such *
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* copies. *
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* *
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* Licensee may make derivative works. However, if Licensee distributes *
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* any derivative work based on or derived from the Software, then *
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* Licensee will (1) notify NCSA regarding its distribution of the *
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* derivative work, and (2) clearly notify users that such derivative *
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* work is a modified version and not the original NCSA Mosaic *
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* distributed by the UI. *
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* *
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* Any Licensee wishing to make commercial use of the Software should *
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* contact the UI, c/o NCSA, to negotiate an appropriate license for such *
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* commercial use. Commercial use includes (1) integration of all or *
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* part of the source code into a product for sale or license by or on *
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* behalf of Licensee to third parties, or (2) distribution of the binary *
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* code or source code to third parties that need it to utilize a *
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* commercial product sold or licensed by or on behalf of Licensee. *
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* *
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* UI MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR *
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* ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED *
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* WARRANTY. THE UI SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY THE *
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* USERS OF THIS SOFTWARE. *
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* *
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* By using or copying this Software, Licensee agrees to abide by the *
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* copyright law and all other applicable laws of the U.S. including, but *
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* not limited to, export control laws, and the terms of this license. *
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* UI shall have the right to terminate this license immediately by *
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* written notice upon Licensee's breach of, or non-compliance with, any *
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* of its terms. Licensee may be held legally responsible for any *
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* copyright infringement that is caused or encouraged by Licensee's *
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* failure to abide by the terms of this license. *
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* *
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* Comments and questions are welcome and can be sent to *
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* mosaic-x@ncsa.uiuc.edu. *
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****************************************************************************/
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typedef struct memory_struct {
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int memoryType; /*type of chunk to use*/
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char *memory; /*chunk(s) of memory*/
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int sizeCnt; /*the number of chunks of size*/
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int size; /*the size of _1_ chunk*/
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int fullSize; /*the size * sizeCnt*/
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int nextFree; /*the next free location (end of last allocation)*/
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} mem_block;
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int memSize[] = {
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4096, /*Lex Tree*/
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8192 /*Parse Tree*/
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};
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#define MEM_LEX 0
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#define MEM_PARSE 1
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#define MEM_MAX_ENTRY 2
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#define MEM_ALIGN_2 2
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#define MEM_ALIGN_4 4
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#if defined(VMS) && defined(__DECC) && defined(__alpha) /* PGE */
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#define MEM_ALIGN_8 8
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#define MEM_ALIGN MEM_ALIGN_8
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#else
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#define MEM_ALIGN MEM_ALIGN_4
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#endif
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#define MEM_FAIL 0
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#define MEM_SUCCEED 1
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#define MEM_INDEX_SIZE(block) ((block)->fullSize/4) /*1/4 chunk size*/
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void freeBlock(mem_block *block);
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mem_block *allocateBlock(int type);
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int reallocateBlock(mem_block *block);
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void clearBlock(mem_block *block);
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void *balloc(mem_block *block, int size);
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int blockSize(mem_block *block);
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